Orissa figures among four tribal-dominated States among India where child mortality among tribal population has exceeded the national tribal child mortality average. According to a World Bank's Policy Research Working Paper on “Child Mortality among Adivasis in India”, STs make up 8 to 9 per cent of the population, but account for about 14 per cent of all under-five deaths, and 23 per cent of deaths in the 1-4 age-group in rural areas.